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Design of an active vehicle suspension based on an enhanced PID control with wheelbase preview and tuning using genetic algorithm
Xie Z.; Wong P.K.; Huang X.; Wong H.C.
2012-04-01
Source PublicationJournal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao
ISSN02579731
Volume33Issue:2Pages:103-112
Abstract

In this work, a new model of active suspension on a half-car with a wheelbase preview of information and a nonlinear differentiator are developed. First, a sensor placed on the front suspension collects and sends road input as preview information to the rear suspension system. Then, with given preview information and the feedback signal of vehicle state, an enhanced Proportional-Integral-Differential (PID) controller combined with a nonlinear differentiator is used to generate control signal to apply active force on rear suspension in order to attenuate the suspension vibration. The PID controller with a nonlinear differentiator provides more stable results than regular PID control in the presence of noise. The numerical result further shows that with preview information considered, the accelerations of the unsprung masses in the front and rear wheels both decrease in comparison to those of the suspension controlled by regular PID control. The active suspension system developed in this work is then tuned by using Genetic Algorithm (GA) to obtain optimum configurations on several design parameters so as to achieve a better ride quality.

KeywordActive Vehicle Suspension Genetic Algorithm Nonlinear Differentiator Wheelbase Preview
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Mechanical
WOS IDWOS:000303701900002
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Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
AffiliationUniversidade de Macau
Recommended Citation
GB/T 7714
Xie Z.,Wong P.K.,Huang X.,et al. Design of an active vehicle suspension based on an enhanced PID control with wheelbase preview and tuning using genetic algorithm[J]. Journal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao,2012,33(2):103-112.
APA Xie Z.,Wong P.K.,Huang X.,&Wong H.C..(2012).Design of an active vehicle suspension based on an enhanced PID control with wheelbase preview and tuning using genetic algorithm.Journal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao,33(2),103-112.
MLA Xie Z.,et al."Design of an active vehicle suspension based on an enhanced PID control with wheelbase preview and tuning using genetic algorithm".Journal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao 33.2(2012):103-112.
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